Hollon FDD-3020CK B-Rated Double Door Depository Safe with Dual Key Top & S&G Dial Lock

Hollon Safe Company

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FDD-3020CK Heavy-Duty B-Rated Double Door Depository Drop Safe with Dual Key Top & S&G Dial Lock

The FDD-3020CK Double Door Depository Safe provides two-tier security and strict access partitioning for commercial cash-handling applications, convenience stores, retail operations, and restaurants. Built with two completely separate compartments, cash envelope deposits made through the top front-loading drawer drop directly into the top chamber, which is secured by a UL Listed Dual Key Lock. This requires two physical keys present to open, enforcing strict dual-custody control over cash drops.

The lower independent vault is secured by a mechanical S&G (Sargent & Greenleaf) Combination Dial Lock, providing keyless, highly reliable access for managers or authorized keyholders managing change tills and long-term storage. Engineered with 1/2" thick solid steel doors, an internal Anti-Fish Baffle, spring-loaded relockers, and drill/ballistic-resistant hardplates, the 200 lb FDD-3020CK delivers heavy-duty protection against burglary attempts and internal shrinkage.


Key Security & Engineering Features

  • Dual-Tier Lock Configuration: Features dual key physical access control on the top drop compartment paired with a mechanical combination dial on the lower vault compartment.
  • UL Listed Dual Key Top Lock: The top drop drawer chamber requires two separate keys to open simultaneously, preventing single-employee access to dropped cash.
  • S&G Combination Dial Bottom Lock: High-security mechanical Sargent & Greenleaf dial lock protects the bottom compartment without requiring electronic batteries.
  • B-Rated Heavy Steel Construction: Continuous-weld steel body equipped with dual 1/2" thick solid steel doors for commercial security enforcement.
  • Anti-Fish Baffle: Internal sawtooth anti-fish teeth inside the drop chute prevent cash bags and envelopes from being fished back out through the deposit drawer.
  • Internal Spring-Loaded Relocking Device: Automatically triggers an auxiliary lock mechanism to seal the bolts if physical tampering or punch attacks occur.
  • Drill & Ballistic-Resistant Hardplate: Hardened steel plate protects the internal locking mechanisms and relockers from mechanical drill bits and ballistic force.
  • Solid Active Locking Bolts: 1-1/4" solid steel active locking bolts provide rigid engagement across both door frames.
  • Heavy-Duty Hinge-Side Dead Bar: Full-length steel dead bar locks into the frame to block door removal during prying or hinge-cutting attacks.
  • Pre-Drilled Anchor Holes: Includes (4) pre-drilled floor mounting holes for permanent anchoring to concrete or wood subfloors (hardware not included).

Technical Specifications

Model FDD-3020CK
Safe Category B-Rated Double Door Commercial Depository Drop Safe
Top Door Lock Type UL Listed Dual Key Lock (Dual Custody Requirement)
Bottom Door Lock Type S&G (Sargent & Greenleaf) Mechanical Combination Dial Lock
Deposit Mechanism Front-Loading Drop Drawer with Anti-Fish Baffle (Drops into Top Chamber)
Door Construction 1/2" Thick Solid Steel Doors (Top & Bottom)
Locking System 1-1/4" Active Solid Steel Locking Bolts + Heavy-Duty Hinge-Side Dead Bar
Protection Features Drill/Ballistic Hardplate, Internal Spring-Loaded Relocking Devices
Exterior Dimensions (H x W x D) 30" x 20" x 20"
Top Interior Dimensions (H x W x D) 8-1/4" x 19-3/4" x 17"
Bottom Interior Dimensions (H x W x D) 8-1/4" x 19-3/4" x 17"
Total Interior Volume 3.6 cu. ft.
Weight 200 lbs
Anchor Holes (4) Pre-Drilled Anchor Holes (Hardware not included)

Frequently Asked Questions

How do access controls differ between the FDD-3020CK, FDD-3020EK, and FDD-3020CC models?

All three models feature identical 30" x 20" x 20" exterior dimensions and 200 lb solid steel builds. The difference lies in lock types: the FDD-3020CK has a dual-key top door and mechanical dial bottom door; the FDD-3020EK has a dual-key top door and electronic keypad bottom door; the FDD-3020CC features mechanical combination dials on both doors.

How does the dual-key top door work on the FDD-3020CK safe?

The top door features a UL Listed Dual Key Lock that requires two distinct physical keys inserted and turned simultaneously. This setup prevents a single employee from accessing deposited funds without a manager or second keyholder present.

Where do items fall when dropped into the front drawer?

Deposits inserted into the front-loading drawer drop directly into the upper compartment. The lower compartment is entirely sealed off from the upper drop zone and can only be opened via the S&G combination dial.

What are the interior dimensions and weight of the FDD-3020CK safe?

The FDD-3020CK weighs 200 lbs and has a total storage volume of 3.6 cubic feet. Both top and bottom interior chambers measure 8-1/4" High x 19-3/4" Wide x 17" Deep.


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